The point lies on . Which point must lie on ?
Answer and explanation
Correct answer: D.
- Step 1: Replacing by stretches the graph horizontally by factor : .
- Step 2: Multiplying by stretches vertically by factor : .
Answer
.
Why not the others: : halves instead of doubling it. : halves the -value instead of doubling it. : halves both coordinates.
Practise more Graphs of functions.
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